main()//唐子豪
{
     int i,x,y,last=1;
     printf("Input X and Y(X**Y):");
     scanf("%d* *%d",&x,&y);
     for (i=1;i<=y;i++)
        last=last*x%1000;
        printf("The last 3 digits of %d* *%d is:%d\n",x,y,last%1000);
        
}